CN108269667A - 一种稀土-铁-硼铸态均匀等轴晶组织的调控方法 - Google Patents
一种稀土-铁-硼铸态均匀等轴晶组织的调控方法 Download PDFInfo
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- CN108269667A CN108269667A CN201810010474.2A CN201810010474A CN108269667A CN 108269667 A CN108269667 A CN 108269667A CN 201810010474 A CN201810010474 A CN 201810010474A CN 108269667 A CN108269667 A CN 108269667A
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- rare
- hydrogen
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0573—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes obtained by reduction or by hydrogen decrepitation or embrittlement
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/06—Extraction of hydrogen
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
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CN201810010474.2A CN108269667B (zh) | 2018-01-05 | 2018-01-05 | 一种稀土-铁-硼铸态均匀等轴晶组织的调控方法 |
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CN201810010474.2A CN108269667B (zh) | 2018-01-05 | 2018-01-05 | 一种稀土-铁-硼铸态均匀等轴晶组织的调控方法 |
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CN108269667A true CN108269667A (zh) | 2018-07-10 |
CN108269667B CN108269667B (zh) | 2020-07-03 |
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CN201810010474.2A Active CN108269667B (zh) | 2018-01-05 | 2018-01-05 | 一种稀土-铁-硼铸态均匀等轴晶组织的调控方法 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109273182A (zh) * | 2018-10-19 | 2019-01-25 | 广东省稀有金属研究所 | 一种单晶磁粉及其制备方法与应用 |
CN110246644A (zh) * | 2019-08-01 | 2019-09-17 | 泮敏翔 | 一种高性能多主相Ce基纳米晶磁体的制备方法 |
CN110444386A (zh) * | 2019-08-16 | 2019-11-12 | 包头天和磁材科技股份有限公司 | 烧结体、烧结永磁体及其制备方法 |
CN111029075A (zh) * | 2019-12-31 | 2020-04-17 | 烟台首钢磁性材料股份有限公司 | 一种钕铁硼磁粉的制备方法 |
CN111599561A (zh) * | 2019-02-21 | 2020-08-28 | 有研稀土新材料股份有限公司 | 一种钕铁硼磁体及其制备方法 |
CN114639527A (zh) * | 2022-02-25 | 2022-06-17 | 北矿磁材(阜阳)有限公司 | 一种R2Fe14B/α-Fe纳米复合永磁材料的制备方法 |
Citations (5)
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JPS56102533A (en) * | 1980-01-16 | 1981-08-17 | Seiko Epson Corp | Manufacture of rare earth element-cobalt permanent magnet alloy |
CN1132399A (zh) * | 1995-03-27 | 1996-10-02 | 北京科技大学 | 双相稀土-铁-硼磁粉及其制备方法 |
CN101239387A (zh) * | 2007-02-08 | 2008-08-13 | 有研稀土新材料股份有限公司 | 一种耐热抗氧化含氮各向异性稀土永磁合金粉及其制备方法 |
CN101850425A (zh) * | 2009-03-30 | 2010-10-06 | Tdk株式会社 | 稀土类合金粉末及其制造方法、各向异性粘结磁铁用复合物以及各向异性粘结磁铁 |
CN103779035A (zh) * | 2012-10-17 | 2014-05-07 | 信越化学工业株式会社 | 稀土烧结磁体及其制造方法 |
-
2018
- 2018-01-05 CN CN201810010474.2A patent/CN108269667B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56102533A (en) * | 1980-01-16 | 1981-08-17 | Seiko Epson Corp | Manufacture of rare earth element-cobalt permanent magnet alloy |
CN1132399A (zh) * | 1995-03-27 | 1996-10-02 | 北京科技大学 | 双相稀土-铁-硼磁粉及其制备方法 |
CN101239387A (zh) * | 2007-02-08 | 2008-08-13 | 有研稀土新材料股份有限公司 | 一种耐热抗氧化含氮各向异性稀土永磁合金粉及其制备方法 |
CN101850425A (zh) * | 2009-03-30 | 2010-10-06 | Tdk株式会社 | 稀土类合金粉末及其制造方法、各向异性粘结磁铁用复合物以及各向异性粘结磁铁 |
CN103779035A (zh) * | 2012-10-17 | 2014-05-07 | 信越化学工业株式会社 | 稀土烧结磁体及其制造方法 |
Non-Patent Citations (1)
Title |
---|
RINA TAKIZAWA: "Crystallographic orientation analysis in HDDR process of anisotropic Nd-Fe-B magnet powders", 《JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS》 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109273182A (zh) * | 2018-10-19 | 2019-01-25 | 广东省稀有金属研究所 | 一种单晶磁粉及其制备方法与应用 |
CN111599561A (zh) * | 2019-02-21 | 2020-08-28 | 有研稀土新材料股份有限公司 | 一种钕铁硼磁体及其制备方法 |
CN111599561B (zh) * | 2019-02-21 | 2021-12-14 | 有研稀土新材料股份有限公司 | 一种钕铁硼磁体及其制备方法 |
CN110246644A (zh) * | 2019-08-01 | 2019-09-17 | 泮敏翔 | 一种高性能多主相Ce基纳米晶磁体的制备方法 |
CN110444386A (zh) * | 2019-08-16 | 2019-11-12 | 包头天和磁材科技股份有限公司 | 烧结体、烧结永磁体及其制备方法 |
US11657960B2 (en) | 2019-08-16 | 2023-05-23 | Baotou Tianhe Magnetics Technology Co., Ltd. | Sintered body, sintered permanent magnet and preparation methods thereof |
CN111029075A (zh) * | 2019-12-31 | 2020-04-17 | 烟台首钢磁性材料股份有限公司 | 一种钕铁硼磁粉的制备方法 |
CN114639527A (zh) * | 2022-02-25 | 2022-06-17 | 北矿磁材(阜阳)有限公司 | 一种R2Fe14B/α-Fe纳米复合永磁材料的制备方法 |
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CN108269667B (zh) | 2020-07-03 |
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Effective date of registration: 20220601 Address after: Room 101, building A3, No. 646, Xining West Road, Xintang Town, Zengcheng District, Guangzhou, Guangdong 511340 Patentee after: Guangzhou beichuang magnetic material technology Co.,Ltd. Address before: 100083 No. 30, Haidian District, Beijing, Xueyuan Road Patentee before: University OF SCIENCE AND TECHNOLOGY BEIJING |
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Effective date of registration: 20230811 Address after: 511300 Room 104, Building A3, No. 646, Xining West Road, Xintang Town, Zengcheng District, Guangzhou, Guangdong Patentee after: Guangdong Chenda New Material Co.,Ltd. Address before: Room 101, building A3, No. 646, Xining West Road, Xintang Town, Zengcheng District, Guangzhou, Guangdong 511340 Patentee before: Guangzhou beichuang magnetic material technology Co.,Ltd. |